VAT Calculator (Value Added Tax)

Instantly calculate Value-Added Tax (VAT). Add VAT to a net amount or remove VAT from a gross amount with our precise, professional-grade online tool.

Full original guide (expanded)


Audit: Complete
Formula (LaTeX) + variables + units
This section shows the formulas used by the calculator engine, plus variable definitions and units.
Formula (extracted LaTeX)
\[','\]
','
Formula (extracted LaTeX)
\[{initialPrice.toFixed(2)}`; vatAmountValue.textContent = `\]
{initialPrice.toFixed(2)}`; vatAmountValue.textContent = `
Formula (extracted LaTeX)
\[{gross.toFixed(2)}`; } else if (removeVatRadio.checked) { const net = initialPrice / (1 + vatRate); const vatAmount = initialPrice - net; netAmountValue.textContent = `\]
{gross.toFixed(2)}`; } else if (removeVatRadio.checked) { const net = initialPrice / (1 + vatRate); const vatAmount = initialPrice - net; netAmountValue.textContent = `
Formula (extracted LaTeX)
\[{vatAmount.toFixed(2)}`; grossAmountValue.textContent = `\]
{vatAmount.toFixed(2)}`; grossAmountValue.textContent = `
Variables and units
  • T = property tax (annual or monthly depending on input) (currency)
Sources (authoritative):
Changelog
Version: 0.1.0-draft
Last code update: 2026-01-19
0.1.0-draft · 2026-01-19
  • Initial audit spec draft generated from HTML extraction (review required).
  • Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
  • Confirm sources are authoritative and relevant to the calculator methodology.
Verified by Ugo Candido on 2026-01-19
Profile · LinkedIn

Audit: Complete
Formula (LaTeX) + variables + units
This section shows the formulas used by the calculator engine, plus variable definitions and units.
Formula (extracted LaTeX)
\[','\]
','
Formula (extracted LaTeX)
\[{initialPrice.toFixed(2)}`; vatAmountValue.textContent = `\]
{initialPrice.toFixed(2)}`; vatAmountValue.textContent = `
Formula (extracted LaTeX)
\[{gross.toFixed(2)}`; } else if (removeVatRadio.checked) { const net = initialPrice / (1 + vatRate); const vatAmount = initialPrice - net; netAmountValue.textContent = `\]
{gross.toFixed(2)}`; } else if (removeVatRadio.checked) { const net = initialPrice / (1 + vatRate); const vatAmount = initialPrice - net; netAmountValue.textContent = `
Formula (extracted LaTeX)
\[{vatAmount.toFixed(2)}`; grossAmountValue.textContent = `\]
{vatAmount.toFixed(2)}`; grossAmountValue.textContent = `
Variables and units
  • T = property tax (annual or monthly depending on input) (currency)
Sources (authoritative):
Changelog
Version: 0.1.0-draft
Last code update: 2026-01-19
0.1.0-draft · 2026-01-19
  • Initial audit spec draft generated from HTML extraction (review required).
  • Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
  • Confirm sources are authoritative and relevant to the calculator methodology.
Verified by Ugo Candido on 2026-01-19
Profile · LinkedIn

Audit: Complete
Formula (LaTeX) + variables + units
This section shows the formulas used by the calculator engine, plus variable definitions and units.
Formula (extracted LaTeX)
\[','\]
','
Formula (extracted LaTeX)
\[{initialPrice.toFixed(2)}`; vatAmountValue.textContent = `\]
{initialPrice.toFixed(2)}`; vatAmountValue.textContent = `
Formula (extracted LaTeX)
\[{gross.toFixed(2)}`; } else if (removeVatRadio.checked) { const net = initialPrice / (1 + vatRate); const vatAmount = initialPrice - net; netAmountValue.textContent = `\]
{gross.toFixed(2)}`; } else if (removeVatRadio.checked) { const net = initialPrice / (1 + vatRate); const vatAmount = initialPrice - net; netAmountValue.textContent = `
Formula (extracted LaTeX)
\[{vatAmount.toFixed(2)}`; grossAmountValue.textContent = `\]
{vatAmount.toFixed(2)}`; grossAmountValue.textContent = `
Variables and units
  • T = property tax (annual or monthly depending on input) (currency)
Sources (authoritative):
Changelog
Version: 0.1.0-draft
Last code update: 2026-01-19
0.1.0-draft · 2026-01-19
  • Initial audit spec draft generated from HTML extraction (review required).
  • Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
  • Confirm sources are authoritative and relevant to the calculator methodology.
Verified by Ugo Candido on 2026-01-19
Profile · LinkedIn
Formulas

(Formulas preserved from original page content, if present.)

Version 0.1.0-draft
Citations

Add authoritative sources relevant to this calculator (standards bodies, manuals, official docs).

Changelog
  • 0.1.0-draft — 2026-01-19: Initial draft (review required).